Since its founding in 1994 by rotomolding veteran John Grimes, Granger Plastics Company has built its identity around difficult custom work for OEMs and manufacturers. The independently owned Middletown company is one of the few North American molders focused on large, complex parts, with in-house tooling supporting projects from concept through production. Its engineering-driven approach has also produced signature applications such as the Granger ISS underground tornado shelter.
FAA TSO C90d
certification
CAGE Code
registration
FEMA 320, FEMA 361, and ICC 500
compliance_program
Montville Plastics & RubberFounded in 1977, Montville Plastics & Rubber is a privately owned American manufacturer known for taking on complex custom plastics work. Based in rural Ohio, the company has grown from one machine in a garage to a 100,000-square-foot operation, with in-house tooling and product development for customers who need parts brought from concept into production.PARKMAN, OH
Port Erie PlasticsFamily-owned Port Erie Plastics has molded custom plastic parts in Harborcreek, Pennsylvania, since Henry J. Witkowski founded the company with one injection molding machine in 1953. Today, its 615,000-square-foot complex supports nearly 90 molding machines and about 400 full-time employees, with particular depth in large-part and structural foam production for high-volume OEM programs. An in-house tool room and dedicated project engineers carry programs from mold build or transfer through long-term manufacturing.HARBORCREEK, PA
Dutchland PlasticsFounded in Oostburg in 1967 by Bill and Nancy Claerbout, Dutchland Plastics makes large custom plastic products through high-volume rotational molding. The company handles projects from engineering through assembly and shipping, with the capacity to produce parts up to 500 pounds and 17 feet long. Its nearly 200,000-square-foot Wisconsin operation is complemented by a facility in Canastota, New York.CANASTOTA, NY
Innovative Plastic Molders, IncFounded by Brian and Andrea O’Leary, Innovative Plastic Molders has spent 20 years turning product concepts into custom injection-molded plastic parts and molds. The Vandalia company combines in-house engineering and tool maintenance with a 120,000-square-foot facility and more than 30 electric presses, while also handling assembly and pack-out work. Innovative Plastic Molders is ISO 9001:2015 certified and serves customers from automotive applications to distinctive products such as its patented branded buckets.VANDALIA, OH